Base | Representation |
---|---|
bin | 1000001010101… |
… | …10001000011010 |
3 | 11202220200101002 |
4 | 10011112020122 |
5 | 120014311414 |
6 | 10444225002 |
7 | 1461220202 |
oct | 405261032 |
9 | 152820332 |
10 | 68510234 |
11 | 35743831 |
12 | 1ab3b162 |
13 | 11269700 |
14 | 9155402 |
15 | 60344de |
hex | 415621a |
68510234 has 12 divisors (see below), whose sum is σ = 111279006. Its totient is φ = 31619952.
The previous prime is 68510231. The next prime is 68510237. The reversal of 68510234 is 43201586.
It is an interprime number because it is at equal distance from previous prime (68510231) and next prime (68510237).
It can be written as a sum of positive squares in 3 ways, for example, as 17430625 + 51079609 = 4175^2 + 7147^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68510197 and 68510206.
It is not an unprimeable number, because it can be changed into a prime (68510231) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101009 + ... + 101684.
Almost surely, 268510234 is an apocalyptic number.
68510234 is a deficient number, since it is larger than the sum of its proper divisors (42768772).
68510234 is a wasteful number, since it uses less digits than its factorization.
68510234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202721 (or 202708 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 68510234 is about 8277.0909140833. The cubic root of 68510234 is about 409.1838493721.
The spelling of 68510234 in words is "sixty-eight million, five hundred ten thousand, two hundred thirty-four".
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